NHTSA Complaint #11718424 — 2025 CHEVROLET SUBURBAN 1500 POWER TRAIN

Complaint Details

ODI Number	11718424
Vehicle	2025 CHEVROLET SUBURBAN 1500
Component	POWER TRAIN
Date of Incident	December 23, 2025
Date Filed	February 17, 2026
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MN

Consumer Description

Purchased a brand new vehicle on 23Dec2025 (evening) and then drove it home and parked it in my garage. Vehicle was in my garage at 64 miles on the odometer. Vehicle started smoking and the transmission cooler line had the catastrophic failure spilling oil all over the street, driveway, and garage. It was towed from my garage to the selling dealer (Walser Polar Chevrolet in White Bear Lake, MN) on 24Dec2025. Service center confirmed a manufacturing defect in the transmission cooler line from the factory.

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